Home / 20,753.84-31,130.73-7,607.27

Finding the Fourth Proportional to 20,753.84, 31,130.73 and 7,607.27

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Solution

The fourth proportional to 20,753.84, 31,130.73 and 7,607.27 is: 11,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753.84 : 31,130.73 = 7,607.27 : x
  2. Step 2: Convert to fraction form
    20,753.84/31,130.73 = 7,607.27/x
  3. Step 3: Cross multiply
    20,753.84x = 31,130.73 × 7,607.27
  4. Step 4: Simplify right side
    20,753.84x = 236,819,712.75
  5. Step 5: Solve for x
    x = 236,819,712.75/20,753.84
  6. Step 6: Final answer
    x = 11,410.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.